UMLS Hierarchy Tracer (Ancestors & Descendants)

Enter a Concept ID (CUI) to view its parent and child hierarchies. Select a preferred language for display names; **English will be used as a fallback**.

Displaying names in **English (ENG)** (with English fallback).

Target Concept: Head (C0018670)

Path Limit Reached (500 paths):

Hierarchy traversal was stopped for the capped direction(s). **All first-level children/parents are now guaranteed to be included,** but paths beyond Level 1 may be incomplete. (Ancestor Raw Count: **6** | Descendant Raw Count: **553**)

Ancestor Paths (Parents/Root)

Ancestor Path 1 (Root Source: MSH)

  1. CUI: - / Source: MSH
  2. CUI: - / Source: MSH
  3. MeSH Descriptors CUI: C1256739 / Source: MSH
  4. Topical Descriptor CUI: C1256741 / Source: MSH
  5. Anatomy (MeSH Category) CUI: C0002807 / Source: MSH
  6. Body Regions CUI: C0005898 / Source: MSH
  7. Head (START) CUI: C0018670 / Source: MSH

Descendant Paths (Children/Leaves)

Descendant Path 1 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, External CUI: C0013453 / Source: MSH
  4. Ear Canal CUI: C0013444 / Source: MSH

Descendant Path 2 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, External CUI: C0013453 / Source: MSH
  4. Tympanic Membrane CUI: C0041445 / Source: MSH

Descendant Path 3 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, External CUI: C0013453 / Source: MSH
  4. Ear Cartilage CUI: C0013445 / Source: MSH

Descendant Path 4 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, External CUI: C0013453 / Source: MSH
  4. Ear Auricle CUI: C0928075 / Source: MSH

Descendant Path 5 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Middle CUI: C0013455 / Source: MSH
  4. Ear Ossicles CUI: C0013450 / Source: MSH
  5. Incus CUI: C0021181 / Source: MSH

Descendant Path 6 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Middle CUI: C0013455 / Source: MSH
  4. Ear Ossicles CUI: C0013450 / Source: MSH
  5. Malleus CUI: C0024631 / Source: MSH

Descendant Path 7 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Middle CUI: C0013455 / Source: MSH
  4. Ear Ossicles CUI: C0013450 / Source: MSH
  5. Stapes CUI: C0038152 / Source: MSH

Descendant Path 8 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Middle CUI: C0013455 / Source: MSH
  4. Eustachian Tube CUI: C0015183 / Source: MSH

Descendant Path 9 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Middle CUI: C0013455 / Source: MSH
  4. Stapedius CUI: C0038151 / Source: MSH

Descendant Path 10 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Middle CUI: C0013455 / Source: MSH
  4. Tensor Tympani CUI: C0039529 / Source: MSH

Descendant Path 11 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Middle CUI: C0013455 / Source: MSH
  4. Glomus Tympanicum CUI: C0205878 / Source: MSH

Descendant Path 12 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Basilar Membrane CUI: C0004816 / Source: MSH

Descendant Path 13 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Cochlear Aqueduct CUI: C0009196 / Source: MSH

Descendant Path 14 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Cochlear Duct CUI: C1323110 / Source: MSH
  6. Stria Vascularis CUI: C0038445 / Source: MSH

Descendant Path 15 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Cochlear Duct CUI: C1323110 / Source: MSH
  6. Tectorial Membrane CUI: C0039432 / Source: MSH

Descendant Path 16 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Organ of Corti CUI: C0029207 / Source: MSH
  6. Labyrinth Supporting Cells CUI: C0022891 / Source: MSH

Descendant Path 17 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Organ of Corti CUI: C0029207 / Source: MSH
  6. Hair Cells, Auditory CUI: C0018496 / Source: MSH
  7. Hair Cells, Auditory, Inner CUI: C0018497 / Source: MSH

Descendant Path 18 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Organ of Corti CUI: C0029207 / Source: MSH
  6. Hair Cells, Auditory CUI: C0018496 / Source: MSH
  7. Hair Cells, Auditory, Outer CUI: C1518683 / Source: MSH

Descendant Path 19 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Scala Tympani CUI: C0036264 / Source: MSH

Descendant Path 20 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Spiral Ganglion CUI: C0037959 / Source: MSH

Descendant Path 21 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Spiral Lamina CUI: C0037960 / Source: MSH

Descendant Path 22 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Scala Vestibuli CUI: C0229511 / Source: MSH

Descendant Path 23 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Round Window, Ear CUI: C0035878 / Source: MSH

Descendant Path 24 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Cochlea CUI: C0009195 / Source: MSH
  5. Spiral Ligament of Cochlea CUI: C0229477 / Source: MSH

Descendant Path 25 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Labyrinthine Fluids CUI: C0022892 / Source: MSH
  5. Endolymph CUI: C0014166 / Source: MSH

Descendant Path 26 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Labyrinthine Fluids CUI: C0022892 / Source: MSH
  5. Perilymph CUI: C0031059 / Source: MSH

Descendant Path 27 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Semicircular Canals CUI: C0036622 / Source: MSH
  5. Semicircular Ducts CUI: C1323109 / Source: MSH
  6. Hair Cells, Ampulla CUI: C1956051 / Source: MSH

Descendant Path 28 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Vestibule, Labyrinth CUI: C1735318 / Source: MSH
  5. Saccule and Utricle CUI: C0036030 / Source: MSH
  6. Acoustic Maculae CUI: C0024436 / Source: MSH
  7. Otolithic Membrane CUI: C0029893 / Source: MSH

Descendant Path 29 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Vestibule, Labyrinth CUI: C1735318 / Source: MSH
  5. Saccule and Utricle CUI: C0036030 / Source: MSH
  6. Acoustic Maculae CUI: C0024436 / Source: MSH
  7. Hair Cells, Vestibular CUI: C0206511 / Source: MSH

Descendant Path 30 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Vestibule, Labyrinth CUI: C1735318 / Source: MSH
  5. Vestibular Aqueduct CUI: C0042593 / Source: MSH
  6. Endolymphatic Duct CUI: C0014167 / Source: MSH
  7. Endolymphatic Sac CUI: C0014168 / Source: MSH

Descendant Path 31 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Ear CUI: C0013443 / Source: MSH
  3. Ear, Inner CUI: C0022889 / Source: MSH
  4. Vestibule, Labyrinth CUI: C1735318 / Source: MSH
  5. Oval Window, Ear CUI: C1956188 / Source: MSH

Descendant Path 32 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Scalp CUI: C0036270 / Source: MSH

Descendant Path 33 (Top Source: MSH)

  1. Head (START) CUI: C0018670 / Source: MSH
  2. Skull Base CUI: C0149543 / Source: MSH

Unique Ancestor Paths Found: 1 | Unique Descendant Paths Found: 33 | Max Depth: 10 levels.